diff --git a/benchmark/benchmark.go b/benchmark/benchmark.go
index 49e9ca4..6878535 100644
--- a/benchmark/benchmark.go
+++ b/benchmark/benchmark.go
@@ -31,7 +31,7 @@ func main() {
 	}
 
 	now := time.Now().Format(time.DateOnly)
-	resultFile := path.Join(".", "results", head+"_"+now+".txt")
+	resultFile := path.Join(".", "results", now+"_"+head+".txt")
 	log.Printf("Writing results to %s", resultFile)
 	outFile, err := os.Create(resultFile)
 	if err != nil {
diff --git a/pdu/pdu_test.go b/pdu/pdu_test.go
index f3e6561..bea4f09 100644
--- a/pdu/pdu_test.go
+++ b/pdu/pdu_test.go
@@ -450,3 +450,43 @@ func TestSizeReturns16(t *testing.T) {
 		t.Errorf("Expected size to be 16, got %d", p.Size())
 	}
 }
+
+// region benchmarks
+
+// With buffer pool
+func BenchmarkEncode(b *testing.B) {
+	p := &PDU_HEADER{
+		command_length:  16,
+		command_id:      1,
+		command_status:  0,
+		sequence_number: 12345,
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		p.Encode()
+	}
+}
+
+// Without buffer pool
+func BenchmarkEncodeInto(b *testing.B) {
+	p := &PDU_HEADER{
+		command_length:  16,
+		command_id:      1,
+		command_status:  0,
+		sequence_number: 12345,
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		buf := make([]uint8, 16)
+		p.EncodeInto(&buf)
+	}
+}
+
+func BenchmarkDecode(b *testing.B) {
+	p := &PDU_HEADER{}
+	data := []uint8{0, 0, 0, 16, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		p.Decode(data)
+	}
+}
\ No newline at end of file